Choledocholithiasis (also called bile duct stones or gallstones in the bile duct) is the presence of a gallstone in the common bile duct. Gallstones usually form in your gallbladder.
Phase I of casualty assistance includes: 1  initial contact and meeting. 2  contacting the servicing legal assistance office. 3  follow up visits.
First aid for choking. 1. encourage casualty to cough if casualty is coughing. 2. if unsuccessful, perform heimlich manoeuvre (normal adult) or chest thrust (pregnant or obese adult) 3. if casualty turns unconscious, perform unconscious choking technique. 4. call for medical emergency help if situation does not improve.